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Class Information
Number: 100/121
Name: Presses > With drain means for expressed liquid > Drainage through or along pressure surface > Movable surface > Roll
Description: Apparatus in which the surface through or along which the collecting means or duct extends is one which has a continuous pressure surface which rotates circularly about an axis and has rolling contact with the material.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8692495 Roller mill and method for size reduction of ground material Apr. 8, 2014
8689682 Device for separating materials of varying flowability that are mixed together Apr. 8, 2014
8663482 Solid-liquid separating device, filtering apparatus, and solid-liquid separating method Mar. 4, 2014
8578847 Apparatuses and methods for fluid evacuation Nov. 12, 2013
8505740 Solid-liquid separator using roller system Aug. 13, 2013
8440082 Method and apparatus for the solid-liquid-separation of material mixtures and suspensions May. 14, 2013
8187425 Apparatus for washing and dewatering pulp May. 29, 2012
8074809 Apparatus and method for the treatment of liquid/solid mixtures Dec. 13, 2011
7918160 Cane juice extractor Apr. 5, 2011
7546798 Wringing device Jun. 16, 2009
7469632 Field harvester for sweet sorghum Dec. 30, 2008
7441497 Wringing device Oct. 28, 2008
7323087 Anti-rewet felt for use in a papermaking machine Jan. 29, 2008
7171893 Rotary press Feb. 6, 2007
7051882 Twin-wire belt press May. 30, 2006
7039482 Floating process flow control system to handle operation events in a full automation plant May. 2, 2006
6926805 Method for pressing paper web and a calender or a press device with a movable shoe element Aug. 9, 2005
6884323 Vented main roll for press assembly in a paper machine Apr. 26, 2005
6835286 Press roll belt and a press concept Dec. 28, 2004
6682632 Roll for a paper or board machine Jan. 27, 2004
6660161 Dewatering device Dec. 9, 2003
6616812 Anti-rewet felt for use in a papermaking machine Sep. 9, 2003
6555013 Treatment method for things like sludge and treatment apparatus Apr. 29, 2003
6505658 Veneer dehydrating apparatus Jan. 14, 2003
6461505 Dewatering device Oct. 8, 2002
6402894 Sealing arrangement for pulp dewatering arrangement Jun. 11, 2002
6402896 Roll for a paper or board machine Jun. 11, 2002
6273270 Dam fed unrollable media filter subsequently folded along its length and rewound Aug. 14, 2001
6241900 Unrollable media filtration with subsequent folding and pressing of media Jun. 5, 2001
6146540 Dehydration of sludge by injecting sludge into a sequentially connected series of permeable bags and then squeezing the bags Nov. 14, 2000
6044980 Drum press extractor Apr. 4, 2000
6042735 Process and device to drain a fibrous pulp suspension Mar. 28, 2000
6036029 Device to drain a fibrous pulp suspension Mar. 14, 2000
6029570 Press jacket for a press device Feb. 29, 2000
6004468 Serial drum apparatus and method for processing wet material Dec. 21, 1999
5985159 Method and device for concentrating a suspension Nov. 16, 1999
5970862 Seal in a roll press Oct. 26, 1999
5925258 Upright tubular filter unit and method of separation using the filter unit Jul. 20, 1999
5916276 Portable wringing device Jun. 29, 1999
5894791 Machine for separating a material mixture Apr. 20, 1999
5855168 Sugar cane milling system Jan. 5, 1999
5827400 Liquid treatment device Oct. 27, 1998
5774929 Wringing device for a wet mop head of a mop head carrier Jul. 7, 1998
5667642 Pulp slurry-handling press roll and twin and single roll slurry handling presses Sep. 16, 1997
5628247 Automatic citrus fruit juicer May. 13, 1997
5589035 Liquid treatment device Dec. 31, 1996
5565110 Drum filter shower roll Oct. 15, 1996
5529100 Apparatus for dehydrating softwood veneer Jun. 25, 1996
5511471 Car mat presser device Apr. 30, 1996
5488900 Dewatering press Feb. 6, 1996

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